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TLF51801ELV Datasheet, PDF (7/29 Pages) Infineon Technologies AG – 10 A synchronous DC/DC Step-Down Controller
TLF51801ELV
General Product Characteristics
4.2
Functional Range
Pos. Parameter
4.2.1
4.2.2
4.2.3
4.2.4
Supply Voltage
Max. Duty Cycle
Output Voltage adjust range
Junction Temperature
Symbol
VS
Dmax
VCC
Tj
Limit Values
Min.
Max.
4.75
45
–
>99
1.20
-40
Dmax x VS
150
Unit
V
%
V
°C
Conditions
–
–
–
–
Note: Within the functional range the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the related electrical characteristics table.
4.3
Thermal Resistance
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.3.1
4.3.2
4.3.3
4.3.4
Junction to Case1)
Junction to Ambient1) 2)
RthJC
–
RthJA
–
RthJA
–
RthJA
–
10
–
47
–
54
–
64
–
K/W –
K/W 2s2p
K/W 1s0p + 600 mm2
K/W 1s0p + 300 mm2
1) Not subject to production test, specified by design.
2) Specified RthJA value is according to JEDEC 2s2p (JESD 51-7) + (JESD 51-5) and JEDEC 1s0p (JESD 51-3) + heatsink
area at natural convection on FR4 board;
Data sheet
7
Rev. 1.0.1, 2013-04-15